mariadb/mysql-test/main/empty_user_table.test

#
# MDEV-4462 mysqld gets SIGFPE when mysql.user table is empty
#

source include/not_embedded.inc;

create table t1 as select * from mysql.global_priv;
truncate table mysql.global_priv;
flush privileges;

# connecting via unix socket gives ER_ACCESS_DENIED_ERROR
# connecting via tcp/ip gives ER_HOST_NOT_PRIVILEGED
--replace_result $MASTER_MYSOCK MASTER_SOCKET $MASTER_MYPORT MASTER_PORT
--error ER_ACCESS_DENIED_ERROR,ER_HOST_NOT_PRIVILEGED
connect (fail,localhost,u1);

insert mysql.global_priv select * from t1;
drop table t1;
flush privileges;

#
# same with mysql.user
#

source include/switch_to_mysql_user.inc;
truncate table mysql.user;

flush privileges;

# connecting via unix socket gives ER_ACCESS_DENIED_ERROR
# connecting via tcp/ip gives ER_HOST_NOT_PRIVILEGED
--replace_result $MASTER_MYSOCK MASTER_SOCKET $MASTER_MYPORT MASTER_PORT
--error ER_ACCESS_DENIED_ERROR,ER_HOST_NOT_PRIVILEGED
connect (fail,localhost,u1);

source include/switch_to_mysql_global_priv.inc;